Home / 249,217.04-343,815.36-163,197.20

Finding the Fourth Proportional to 249,217.04, 343,815.36 and 163,197.20

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Solution

The fourth proportional to 249,217.04, 343,815.36 and 163,197.20 is: 225,143.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,217.04 : 343,815.36 = 163,197.20 : x
  2. Step 2: Convert to fraction form
    249,217.04/343,815.36 = 163,197.20/x
  3. Step 3: Cross multiply
    249,217.04x = 343,815.36 × 163,197.20
  4. Step 4: Simplify right side
    249,217.04x = 56,109,704,068.99
  5. Step 5: Solve for x
    x = 56,109,704,068.99/249,217.04
  6. Step 6: Final answer
    x = 225,143.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.